Community Tip - When posting, your subject should be specific and summarize your question. Here are some additional tips on asking a great question. X
In 2D drawing, BOM balloons can be created using the Creo command. But in 3D drawing, there is no such Creo functionality.
So using pro/toolkit can we create the BOM balloons?
You can certainly make symbols with the appropriate shape and text, but as you don't have a table with a repeat region, I'm not sure how accurate the term 'BOM balloons' would be.